As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DECLARED EMERGENCY -- NO FLAP EXTENSION WHEN FLAP HANDLE MOVED TO FLAPS 5. FOLLOWING QRH WHEN ALT FLAP SWITCH WAS MOVED TO DOWN POS THE "ALT T/E FLAP DRIVE AC" CIRCUIT BREAKER POPPED. REMOVED AND REPLACED FLAP MOTOR HYD POWER UNIT PER MM.